:root {
  --ink: #091722;
  --ink-2: #102737;
  --paper: #f5f7f4;
  --white: #ffffff;
  --teal: #00d7bd;
  --yellow: #9fe5db;
  --muted: #66757f;
  --line: rgba(9, 23, 34, .15);
  --max: 1180px;
}
* { box-sizing: border-box; }
section[id] { scroll-margin-top: 6rem; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: "DM Sans", sans-serif; font-size: 1rem; line-height: 1.6; }
a { color: inherit; }
.skip-link { position: fixed; left: 1rem; top: -4rem; z-index: 1000; background: var(--yellow); padding: .75rem 1rem; border-radius: .5rem; font-weight: 700; }
.skip-link:focus { top: 1rem; }
.site-header { position: sticky; top: 0; z-index: 100; max-width: calc(var(--max) + 3rem); margin: 0 auto; padding: 1rem 1.5rem; display: flex; align-items: center; justify-content: space-between; background: rgba(245,247,244,.88); backdrop-filter: blur(18px); border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: .7rem; text-decoration: none; font-family: Manrope, sans-serif; font-weight: 800; letter-spacing: -.02em; }
.brand-mark { display: grid; place-items: center; width: 2rem; height: 2rem; border-radius: .55rem; background: var(--ink); color: var(--teal); }
nav { display: flex; align-items: center; gap: 1.8rem; }
nav a { text-decoration: none; font-weight: 600; font-size: .92rem; }
nav a:not(.nav-cta):hover { color: #007f73; }
.nav-cta { padding: .68rem 1rem; color: var(--white); background: var(--ink); border-radius: 999px; }
.menu-toggle { display: none; border: 0; background: transparent; font: inherit; font-weight: 700; }
.hero { max-width: var(--max); margin: 0 auto; padding: 3.5rem 1.5rem; display: grid; grid-template-columns: minmax(0,1.1fr) minmax(0,1fr); gap: 3rem; align-items: start; }
.eyebrow, .kicker { margin: 0 0 1.15rem; color: #007f73; font-size: .78rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.eyebrow { display: flex; align-items: center; gap: .55rem; }
.eyebrow span { width: 1.8rem; height: 2px; background: var(--teal); }
h1, h2, h3 { font-family: Manrope, sans-serif; line-height: 1.08; letter-spacing: -.045em; }
h1 { max-width: 720px; margin: 0; font-size: clamp(2.75rem, 4.4vw, 3.8rem); line-height: 1.12; letter-spacing: -.04em; }
h1 em { color: #007f73; font-style: normal; }
.hero-lead { max-width: 680px; margin: 2rem 0 0; color: #354a56; font-size: clamp(1.1rem, 2vw, 1.35rem); line-height: 1.55; }
.hero-actions, .contact-links { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2.2rem; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: .6rem; min-height: 50px; padding: .8rem 1.2rem; border: 1px solid var(--ink); border-radius: 999px; text-decoration: none; font-weight: 800; transition: transform .2s ease, box-shadow .2s ease; }
.button:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(9,23,34,.12); }
.button.primary { background: var(--ink); color: var(--white); }
.button.primary span { color: var(--teal); }
.button.secondary { background: transparent; }
.signal-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 4rem; padding-top: 1.4rem; border-top: 1px solid var(--line); }
.signal-row strong { display: block; font-family: Manrope, sans-serif; font-size: 1.35rem; }
.signal-row span { display: block; margin-top: .2rem; color: var(--muted); font-size: .82rem; line-height: 1.35; }
.hero-proof { position: relative; padding: 1.1rem; color: var(--white); background: var(--ink); border-radius: 1.6rem; box-shadow: 18px 18px 0 var(--teal); overflow: hidden; }
.hero-proof::after { content: ""; position: absolute; width: 240px; height: 240px; right: -90px; top: -90px; border: 1px solid rgba(0,215,189,.35); border-radius: 50%; box-shadow: 0 0 0 28px rgba(0,215,189,.05), 0 0 0 60px rgba(0,215,189,.035); }
.proof-profile { position: relative; z-index: 1; display: grid; grid-template-columns: 112px 1fr auto; gap: 1rem; align-items: center; padding: .25rem .2rem 1.25rem; }
.proof-profile > img { width: 112px; height: 112px; border-radius: 1rem; object-fit: cover; object-position: center 28%; border: 2px solid rgba(0,215,189,.65); box-shadow: 0 12px 28px rgba(0,0,0,.24); }
.proof-profile > div strong { display: block; font-family: Manrope, sans-serif; font-size: 1.15rem; letter-spacing: -.02em; }
.proof-profile > div span { display: block; margin-top: .35rem; color: #9fb0b9; font-size: .76rem; line-height: 1.45; }
.proof-profile > .live-dot { align-self: start; color: #b8c6ce; font-size: .68rem; letter-spacing: .08em; text-transform: uppercase; }
.proof-heading { position: relative; z-index: 1; margin: 0 .2rem .75rem; color: #b8c6ce; font-size: .7rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.live-dot::before { content: ""; display: inline-block; width: .45rem; height: .45rem; margin-right: .4rem; border-radius: 50%; background: var(--teal); }
.metric-grid { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(2, 1fr); gap: .65rem; }
.metric-grid article { min-height: 115px; padding: 1rem; display: flex; flex-direction: column; justify-content: flex-end; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.08); border-radius: 1rem; }
.metric-grid strong { color: var(--yellow); font-family: Manrope, sans-serif; font-size: clamp(1.55rem, 3vw, 2.35rem); line-height: 1; }
.metric-grid span { margin-top: .5rem; color: #c7d1d6; font-size: .8rem; }
.proof-note { margin: 1rem .2rem .1rem; color: #94a7b2; font-size: .72rem; line-height: 1.45; }
.marquee { overflow: hidden; padding: 1rem 0; background: var(--yellow); border-block: 1px solid var(--ink); font-family: Manrope, sans-serif; font-weight: 800; white-space: nowrap; }
.marquee div { width: max-content; animation: crawl 22s linear infinite; }
.marquee span { margin: 0 1.1rem; }
@keyframes crawl { to { transform: translateX(-32%); } }
.section { max-width: var(--max); margin: 0 auto; padding: 7.5rem 1.5rem; }
.section-heading { display: grid; grid-template-columns: .35fr 1fr .8fr; gap: 2rem; align-items: start; margin-bottom: 3rem; }
.section-heading h2, .writing-intro h2, .contact-inner h2 { margin: 0; font-size: clamp(2.5rem, 5vw, 4.4rem); }
.section-heading > p:last-child { margin: .25rem 0 0; color: var(--muted); font-size: 1.05rem; }
.case-study { position: relative; padding: 2rem; background: var(--white); border: 1px solid var(--line); border-radius: 1.2rem; }
.case-study.featured { display: grid; grid-template-columns: 60px 1fr 180px; gap: 1.5rem; padding: 2.5rem; color: var(--white); background: var(--ink); border: 0; }
.case-number { color: #85949d; font-family: Manrope, sans-serif; font-size: .82rem; font-weight: 800; }
.case-meta { display: flex; flex-wrap: wrap; gap: .55rem; margin-bottom: 1.2rem; }
.case-meta span { padding: .28rem .6rem; border: 1px solid currentColor; border-radius: 999px; color: #007f73; font-size: .7rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.featured .case-meta span { color: var(--teal); }
.case-study h3 { margin: 0; font-size: clamp(1.65rem, 3vw, 2.65rem); }
.case-study p { color: var(--muted); }
.featured p { max-width: 740px; color: #b9c5cb; }
.case-results { display: grid; grid-template-columns: repeat(3, 1fr); gap: .8rem; margin-top: 2rem; }
.case-results div { padding-top: 1rem; border-top: 1px solid rgba(255,255,255,.18); }
.case-results strong { display: block; color: var(--yellow); font-family: Manrope, sans-serif; font-size: 1.55rem; }
.case-results span { color: #9fb0b9; font-size: .8rem; }
.case-tag { align-self: end; padding: 1rem; border: 1px solid rgba(0,215,189,.35); border-radius: .8rem; color: var(--teal); font-size: .78rem; }
.case-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; margin-top: 1rem; }
.case-grid .case-study { min-height: 425px; display: flex; flex-direction: column; }
.case-grid .case-number { margin-bottom: 2rem; }
.mini-results { display: grid; gap: .6rem; margin-top: auto; padding-top: 1.6rem; }
.mini-results span { display: flex; justify-content: space-between; gap: 1rem; padding-top: .55rem; border-top: 1px solid var(--line); color: var(--muted); font-size: .85rem; }
.mini-results strong { color: var(--ink); font-size: 1rem; }
.capability-tags { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: auto; padding-top: 1.5rem; }
.capability-tags span { padding: .42rem .7rem; border-radius: 999px; background: #eef2ef; color: #53636c; font-size: .76rem; }
.case-detail-section { background: var(--ink); color: var(--white); }
.evidence-inner { max-width: var(--max); }
.case-detail-section .section-heading > p:last-child { color: #9db0ba; }
.case-detail-section .kicker { color: var(--teal); }
.portfolio-archive { margin-bottom: 4rem; padding: 2rem; background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.14); border-radius: 1.4rem; }
.archive-intro { display: flex; align-items: end; justify-content: space-between; gap: 2rem; margin-bottom: 1.5rem; }
.archive-intro h3 { margin: 0; font-size: clamp(2rem, 4vw, 3.2rem); }
.archive-filters { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: .45rem; }
.archive-filters button { padding: .55rem .8rem; color: #aebfc7; background: transparent; border: 1px solid rgba(255,255,255,.2); border-radius: 999px; font: inherit; font-size: .75rem; font-weight: 700; cursor: pointer; }
.archive-filters button.active, .archive-filters button:hover { color: var(--ink); background: var(--teal); border-color: var(--teal); }
.archive-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: .75rem; }
.archive-card { min-width: 0; overflow: hidden; display: grid; grid-template-columns: 1fr auto; grid-template-rows: auto auto 170px; color: var(--white); background: var(--ink-2); border: 1px solid rgba(255,255,255,.1); border-radius: .9rem; text-decoration: none; transition: transform .2s ease, border-color .2s ease; }
.archive-card:hover { transform: translateY(-3px); border-color: var(--teal); }
.archive-card[hidden] { display: none; }
.archive-card strong { padding: 1rem 1rem 0; color: var(--yellow); font-family: Manrope, sans-serif; font-size: 1.75rem; line-height: 1; }
.archive-card > span { grid-column: 1 / -1; padding: .3rem 1rem .9rem; color: #b1c0c7; font-size: .75rem; }
.archive-card::after { content: "↗"; grid-column: 2; grid-row: 1; padding: .8rem 1rem 0 0; color: var(--teal); }
.archive-card img { grid-column: 1 / -1; width: 100%; height: 170px; object-fit: contain; background: #f4f5f3; }
.detail-case { display: grid; grid-template-columns: .8fr 1.2fr; gap: 3.5rem; align-items: center; padding: 4rem 0; border-top: 1px solid rgba(255,255,255,.14); }
.detail-case.reverse { grid-template-columns: 1.2fr .8fr; }
.detail-case.reverse .detail-copy { order: 2; }
.case-label { color: var(--teal) !important; font-size: .72rem !important; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.detail-copy h3 { margin: .6rem 0 1.4rem; font-size: clamp(2rem, 4vw, 3.2rem); }
.detail-copy p { color: #b6c4ca; }
.detail-copy p strong { color: var(--white); }
.detail-copy ul { margin: 1.6rem 0 0; padding: 0; list-style: none; }
.detail-copy li { padding: .7rem 0; border-top: 1px solid rgba(255,255,255,.12); color: #aebdc5; }
.detail-copy li strong { color: var(--yellow); }
.evidence-frame { display: block; overflow: hidden; background: #fff; border: 1px solid rgba(255,255,255,.18); border-radius: 1rem; text-decoration: none; box-shadow: 0 18px 50px rgba(0,0,0,.2); }
.evidence-frame img { display: block; width: 100%; max-height: 430px; object-fit: contain; background: #f7f8f7; transition: transform .35s ease; }
.evidence-frame:hover img { transform: scale(1.015); }
.evidence-frame span { display: block; padding: .75rem 1rem; color: #52636c; font-size: .75rem; font-weight: 700; }
.evidence-frame.portrait { max-width: 520px; justify-self: center; }
.evidence-frame.portrait img { max-height: 590px; }
.evidence-pair { display: grid; grid-template-columns: repeat(2, 1fr); gap: .8rem; }
.evidence-pair .evidence-frame img { height: 300px; object-fit: contain; }
.experience-section { max-width: none; background: #e9eeea; }
.experience-section > * { max-width: var(--max); margin-inline: auto; }
.timeline { border-top: 1px solid var(--ink); }
.timeline-item { display: grid; grid-template-columns: .35fr 1fr; gap: 2rem; padding: 1.7rem 0; border-bottom: 1px solid var(--line); }
.timeline-item time { font-family: Manrope, sans-serif; font-weight: 800; }
.timeline-item h3 { margin: 0; font-size: 1.25rem; }
.timeline-item p { margin: .2rem 0; font-weight: 700; }
.timeline-item span { color: var(--muted); }
.writing-section { display: grid; grid-template-columns: .85fr 1.15fr; gap: 4rem; align-items: start; }
.writing-intro { position: sticky; top: 7rem; }
.writing-intro > p:not(.kicker) { color: var(--muted); font-size: 1.05rem; }
.capability-tags.light { margin-top: 1.5rem; }
.books { color: var(--white); background: var(--ink); border-radius: 1.5rem; overflow: hidden; }
.book-summary { padding: 2.3rem; display: flex; align-items: end; justify-content: space-between; gap: 1rem; background: var(--teal); color: var(--ink); }
.book-summary strong { font-family: Manrope, sans-serif; font-size: clamp(2.5rem, 5vw, 4rem); line-height: 1; }
.book-summary span { font-weight: 700; }
.book-list article { position: relative; min-height: 150px; padding: 1.2rem 2rem; display: grid; grid-template-columns: 84px 1fr; gap: 1.2rem; align-items: center; border-top: 1px solid rgba(255,255,255,.12); }
.book-list article::after { content: "↗"; position: absolute; right: 2rem; top: 1.5rem; color: var(--teal); }
.book-list img { width: 84px; height: 116px; object-fit: cover; border-radius: .35rem; box-shadow: 0 8px 22px rgba(0,0,0,.3); }
.book-list img.young-cover { object-position: 7% center; }
.book-list span { color: var(--yellow); font-size: .72rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.book-list h3 { max-width: 80%; margin: .45rem 0 .2rem; font-size: 1.15rem; letter-spacing: -.02em; }
.book-list p { margin: 0; color: #8fa2ac; font-size: .82rem; }
.book-proof { display: inline-block; margin-top: .45rem; color: var(--teal); font-size: .72rem; font-weight: 700; text-decoration: none; }
.approach-section { padding-top: 4rem; }
.approach-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.approach-grid article { padding: 2rem; border-top: 4px solid var(--ink); background: var(--white); }
.approach-grid span { color: #007f73; font-weight: 800; }
.approach-grid h3 { margin: 2.6rem 0 .7rem; font-size: 1.4rem; }
.approach-grid p { margin: 0; color: var(--muted); }
.contact-section { padding: 6rem 1.5rem; color: var(--white); background: var(--ink); }
.contact-inner { max-width: 900px; margin: 0 auto; text-align: center; }
.contact-inner .kicker { color: var(--teal); }
.contact-inner > p:not(.kicker) { max-width: 680px; margin: 1.4rem auto 0; color: #b3c0c7; font-size: 1.1rem; }
.contact-inner .contact-links { justify-content: center; }
.contact-inner .button.primary { color: var(--ink); background: var(--yellow); border-color: var(--yellow); }
.contact-inner .button.secondary { color: var(--white); border-color: rgba(255,255,255,.35); }
footer { max-width: var(--max); margin: 0 auto; padding: 2rem 1.5rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; font-size: .82rem; }
footer p { color: var(--muted); }
.reveal { opacity: 1; transform: none; }
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .reveal { opacity: 1; transform: none; transition: none; } .marquee div { animation: none; } }
@media (max-width: 900px) {
  .hero { min-height: auto; grid-template-columns: 1fr; gap: 3.5rem; padding-top: 4.5rem; }
  .hero-proof { box-shadow: 10px 10px 0 var(--teal); }
  .section-heading { grid-template-columns: 1fr; gap: .5rem; }
  .section-heading .kicker { margin-bottom: .4rem; }
  .case-study.featured { grid-template-columns: 44px 1fr; }
  .case-tag { grid-column: 2; }
  .writing-section { grid-template-columns: 1fr; }
  .writing-intro { position: static; }
  .detail-case, .detail-case.reverse { grid-template-columns: 1fr; gap: 2rem; }
  .detail-case.reverse .detail-copy { order: 0; }
  .archive-intro { align-items: flex-start; flex-direction: column; }
  .archive-filters { justify-content: flex-start; }
  .archive-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 700px) {
  .site-header { padding: .85rem 1rem; }
  .menu-toggle { display: block; }
  nav { display: none; position: absolute; left: 1rem; right: 1rem; top: 4.4rem; padding: 1rem; flex-direction: column; align-items: stretch; background: var(--white); border: 1px solid var(--line); border-radius: 1rem; box-shadow: 0 12px 30px rgba(9,23,34,.15); }
  nav.open { display: flex; }
  nav a { padding: .5rem; }
  .hero { padding-inline: 1rem; }
  .proof-profile { grid-template-columns: 82px 1fr; }
  .proof-profile > img { width: 82px; height: 82px; border-radius: .8rem; }
  .proof-profile > .live-dot { grid-column: 2; margin-top: -.55rem; }
  h1 { font-size: clamp(3rem, 15vw, 4.8rem); }
  .signal-row { grid-template-columns: 1fr; }
  .signal-row div { display: grid; grid-template-columns: 90px 1fr; align-items: center; }
  .signal-row span { margin-top: 0; }
  .section { padding: 5rem 1rem; }
  .metric-grid, .case-grid, .case-results, .approach-grid { grid-template-columns: 1fr; }
  .case-study.featured { display: block; padding: 1.6rem; }
  .case-study.featured .case-number { margin-bottom: 1.5rem; }
  .case-tag { margin-top: 1.5rem; }
  .case-grid .case-study { min-height: auto; }
  .timeline-item { grid-template-columns: 1fr; gap: .4rem; }
  .book-summary { align-items: start; flex-direction: column; }
  .evidence-pair { grid-template-columns: 1fr; }
  .evidence-pair .evidence-frame img { height: auto; max-height: 360px; }
  .portfolio-archive { padding: 1rem; }
  .archive-grid { grid-template-columns: 1fr; }
  .book-list article { grid-template-columns: 72px 1fr; padding: 1rem; }
  .book-list img { width: 72px; height: 100px; }
  footer { align-items: flex-start; flex-direction: column; }
}

/* Compact, aligned introduction and restrained evidence presentation. */
.hero-proof { box-shadow: 0 14px 36px rgba(9,23,34,.12); border-radius: 1.2rem; }
.hero-proof::after { display: none; }
.hero-lead { font-size: 1.125rem; margin-top: 1.5rem; }
.signal-row { margin-top: 2rem; }
.proof-profile { grid-template-columns: 96px minmax(0,1fr); }
.proof-profile > img { width: 96px; height: 96px; }
.proof-profile > .live-dot { display: none; }
.metric-grid article { min-height: 98px; }
.section { padding-block: 4rem; }
.section-heading { grid-template-columns: 1fr 1fr; gap: 1rem 3rem; margin-bottom: 2rem; }
.section-heading .kicker { grid-column: 1 / -1; margin-bottom: 0; }
.section-heading h2 { font-size: clamp(2rem,3.2vw,3rem); }
.archive-intro { align-items: start; flex-direction: column; gap: 1rem; }
.archive-intro h3 { font-size: 1.75rem; }
.archive-filters { justify-content: flex-start; }
.marquee { background: #e9eeea; color: #354a56; white-space: normal; border-color: var(--line); padding: 1.2rem 1.5rem; text-align: center; font-size: .875rem; }
.marquee div { max-width: var(--max); width: auto; margin-inline: auto; animation: none; line-height: 2; }
.marquee span { margin-inline: .65rem; color: #007f73; }
@media (max-width: 900px) {
 .hero { grid-template-columns: 1fr; padding-top: 2.5rem; gap: 2rem; }
 .hero h1 { max-width: 650px; font-size: clamp(2.5rem,6vw,3.75rem); }
 .section-heading { grid-template-columns: 1fr; }
 .section-heading .kicker { grid-column: auto; }
}
@media (max-width: 700px) {
 .hero h1 { font-size: clamp(2.1rem,8.7vw,3rem); }
 .section { padding-block: 2.75rem; }
 .signal-row div { grid-template-columns: 110px 1fr; }
 .metric-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
 .metric-grid article { padding: .8rem; }
 .metric-grid strong { font-size: clamp(1.3rem,5.5vw,1.8rem); }
 .archive-intro h3 { font-size: 1.5rem; }
}
.archive-story { grid-column: 1 / -1; margin: 1.5rem 0; color: var(--ink); scroll-margin-top: 6rem; }
.archive-story[hidden] { display: none; }
.archive-story .case-study.featured { border: 1px solid rgba(255,255,255,.2); grid-template-columns: 1fr; padding: 2rem; }
.archive-story .case-number { margin-bottom: .75rem; }
.archive-story .case-tag { grid-column: auto; }
.archive-story .case-study h3 { font-size: clamp(1.5rem, 2.5vw, 2.2rem); }
.archive-story.case-grid { margin-block: 1.5rem; }